Wow, so many of those are biased left except for the first one. Where's the "We get it, you're atheist/muslim"; the "Great summary of MSNBC/Huffington Post/ABC talking points", and "This excels at cheerleading for Obamacare" ?

Hi Zook. Needed to register here because of your question. A root is an exponent. SquareRoot(x) is x^(1/2). Also thanks to everyone for being good and affirming the right answer, 10. Facebook people are weird and should be approached with care.